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基于对数极坐标变换和仿射变换的目标识别定位方法

DOI: 10.11834/jig.200609211

Keywords: 对数极坐标变换,仿射变换,相关匹配

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Abstract:

由于传统的模板相关匹配算法在目标图像发生较大旋转和放大时,定位结果可能会发生偏差,因此为了取得精度更高的目标识别结果,提出了一种基于对数极坐标变换粗匹配,结合仿射变换精匹配的目标图像识别定位方法,以用于在视场中自动搜索相对于模板图像有平移、旋转和尺度变化的目标图像。实验结果表明,该算法不仅定位精度高,而且相对于传统的模板匹配算法有更强的鲁棒性。

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